<?php

namespace app\controllers;

class ProblemController extends \app\extensions\action\FrontController
{

    /**
     * Display a specific problem
     * @param int $id
     */
    public function index($id)
    {

    }

    /**
     * Increase the mark
     * @param int $id
     */
    public function up($id)
    {

    }

    /**
     * Decrease the mark
     * @param int $id
     */
    public function down($id)
    {

    }

    /**
     * Display all problems
     */
    public function all()
    {

    }

}
